<template>
  <div  class="login-container">

    <el-form class="login-form" autoComplete="on" :model="loginForm" :rules="loginRules" ref="loginForm" label-position="left">

      <div class="title-container">
        <h3 class="title">{{login.title}}</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container svg-container_login">
          <svg-icon icon-class="user"></svg-icon>
        </span>
        <el-input name="username" type="text" v-model="loginForm.username" autoComplete="on" :placeholder="login.username"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input name="password" :type="passwordType" @keyup.enter.native="handleLogin" v-model="loginForm.password" autoComplete="on"
                  :placeholder="login.password" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon icon-class="eye" />
        </span>
      </el-form-item>

      <el-form-item prop="validate">
        <el-input v-model="login.validate" class="validate-code" placeholder="验证码"></el-input>
        <div class="code" @click="refreshCode">
          <s-identify :identifyCode="identifyCode"></s-identify>
        </div>
      </el-form-item>

      <el-button type="primary" style="width:100%;margin-bottom:30px;" :loading="loading" @click.native.prevent="handleLogin">{{login.logIn}}</el-button>

      <div class="tips">
        <span>{{login.username}} : admin</span>
        <span>{{login.password}} : {{login.any}}</span>
      </div>
      <div class="tips">
        <span style="margin-right:18px;">{{login.username}} : editor</span>
        <span>{{login.password}} : {{login.any}}</span>
      </div>

    </el-form>

  </div>
</template>

<script>
    import { isvalidUsername } from '../../utils/validate'
    import SIdentify from "./verification";

    export default {
        components: {SIdentify},
        name: 'login',
        data() {
            const validateUsername = (rule, value, callback) => {
                if (!isvalidUsername(value)) {
                    callback(new Error('Please enter the correct user name'))
                } else {
                    callback()
                }
            }
            const validatePassword = (rule, value, callback) => {
                if (value.length < 6) {
                    callback(new Error('The password can not be less than 6 digits'))
                } else {
                    callback()
                }
            }
            return {
                login: {
                    title: '系统登录',
                    logIn: '登录',
                    username: '账号',
                    password: '密码',
                    any: '随便填',
                    thirdparty: '第三方登录',
                    thirdpartyTips: '本地不能模拟，请结合自己业务进行模拟！！！'
                },
                loginForm: {
                    username: 'admin',
                    password: '1111111'
                },
                loginRules: {
                    username: [{ required: true, trigger: 'blur', validator: validateUsername }],
                    password: [{ required: true, trigger: 'blur', validator: validatePassword }]
                },
                passwordType: 'password',
                loading: false,
                showDialog: false
            }
        },
        methods: {
            showPwd() {
                if (this.passwordType === 'password') {
                    this.passwordType = ''
                } else {
                    this.passwordType = 'password'
                }
            },
            handleLogin() {
                this.$refs.loginForm.validate(valid => {
                    if (valid) {
                        this.loading = true
                        this.$store.dispatch('LoginByUsername', this.loginForm).then(() => {
                            this.loading = false
                            this.$router.push({ path: '/' })
                        }).catch(() => {
                            this.loading = false
                        })
                    } else {
                        console.log('error submit!!')
                        return false
                    }
                })
            },
            afterQRScan() {
                // const hash = window.location.hash.slice(1)
                // const hashObj = getQueryObject(hash)
                // const originUrl = window.location.origin
                // history.replaceState({}, '', originUrl)
                // const codeMap = {
                //   wechat: 'code',
                //   tencent: 'code'
                // }
                // const codeName = hashObj[codeMap[this.auth_type]]
                // if (!codeName) {
                //   alert('第三方登录失败')
                // } else {
                //   this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
                //     this.$router.push({ path: '/' })
                //   })
                // }
            }
        },
        created() {
            // window.addEventListener('hashchange', this.afterQRScan)
        },
        destroyed() {
            // window.removeEventListener('hashchange', this.afterQRScan)
        }
    }
</script>

<style rel="stylesheet/scss" lang="scss">
  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

  $bg:#283443;
  $light_gray:#eee;
  $cursor: #fff;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input{
      color: $cursor;
      &::first-line {
        color: $light_gray;
      }
    }
  }

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;
      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;
        &:-webkit-autofill {
          -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: $cursor !important;
        }
      }
      validate-code {
        width: 30px;
        float: left;
      }
    }
    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }

  }

</style>

<style rel="stylesheet/scss" lang="scss" scoped>
  $bg:#2d3a4b;
  $dark_gray:#889aa4;
  $light_gray:#eee;

  .login-container {
    position: fixed;
    height: 100%;
    width: 100%;
    margin: 0px;
    padding: 0px;
    background-color: $bg;
    .login-form {
      position: absolute;
      left: 0;
      right: 0;
      width: 520px;
      padding: 35px 35px 15px 35px;
      margin: 120px auto;
    }
    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;
      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }
    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
      &_login {
        font-size: 20px;
      }
    }
    .title-container {
      position: relative;
      .title {
        font-size: 26px;
        color: $light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
      .set-language {
        color: #fff;
        position: absolute;
        top: 5px;
        right: 0px;
      }
    }
    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }
    .thirdparty-button {
      position: absolute;
      right: 35px;
      bottom: 28px;
    }

  }
  .validate-code {
    width: 136px;
    float: left;
  }
  .code {
    width: 112px;
    height: 47px;
    border: 1px solid #ccc;
    float: right;
    border-radius: 2px;
  }
</style>
